510(k) Report

510(k) · Cleared

Cleared

Smith & Nephew Modular Hip

K042127510(k) AbbreviatedCleared Nov 19, 2004105-day reviewClass II21 CFR 888.3353

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Smith & Nephew, Inc. · MEH Prosthesis, Hip, Semi-Constrained, Uncemented, Metal / Polymer, Non-Porous, Calcium Phosphate

Cleared on Nov 19, 2004 as substantially equivalent to K921111 (Joint Medical Products Corp., 1992) and 6 other predicates after a 105-day review. Its family tree reaches back 3 generations to 1994. 17 later devices descend from it.

Decided
Nov 19, 2004
Review
105 days
Class
Class II
Product code
MEH
Recalls
None
Predicates
7

Its longest line of descent runs back 3 generations to K935452 (1994). 12 ancestors in all, the oldest K851422 (1985). 17 later devices descend from it, 5 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor1999: 1 other ancestor1997: 1 other ancestor1996: 1 other ancestor1994: 1 other ancestor1992: 2 other ancestors1991: 1 other ancestor1985: 1 other ancestor2005: 2 descendants cleared2017: 1 descendant cleared2013: 2 descendants cleared2008: 1 descendant cleared2022: 1 descendant cleared2012: 3 descendants cleared2010: 1 descendant cleared2024: 2 descendants cleared2015: 1 descendant cleared2023: 1 descendant cleared2025: 1 descendant cleared2026: 1 descendant clearedK935452 · P.F.C. 2 Total Hip System Porous Coated Modular Femoral Component · Johnson & Johnson Orthopaedics, Inc. · 1994×2: 2 generations cleared close together, K945518 (1996), K961939 (1996) 1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 6 other ancestors2 generations back: 3 other ancestors 1 generation forward: 5 descendants2 generations forward: 6 descendants3 generations forward: 4 descendants4 generations forward: 2 descendants K961939 · S-Rom Femoral Hip Stem (Sizes 12 X 06 X 115 and 12 X 07 X 115) · Johnson & Johnson Professionals, Inc. · 1996K945518 · P.F.C. 2 Total Hip System Porous Coated Modular Femoral Component · Johnson & Johnson Professionals, Inc. · 1996K935452 · P.F.C. 2 Total Hip System Porous Coated Modular Femoral Component · Johnson & Johnson Orthopaedics, Inc. · 19940
  1. Root · 3 generations backK935452 P.F.C. 2 Total Hip System Porous Coated Modular Femoral ComponentJohnson & Johnson Orthopaedics, Inc. · 1994
  2. 2 generations backK945518 P.F.C. 2 Total Hip System Porous Coated Modular Femoral ComponentJohnson & Johnson Professionals, Inc. · 1996
  3. 1 generation backK961939 S-Rom Femoral Hip Stem (Sizes 12 X 06 X 115 and 12 X 07 X 115)Johnson & Johnson Professionals, Inc. · 1996
  4. This deviceK042127 Smith & Nephew Modular HipSmith & Nephew, Inc. · 2004
  5. Descendant · cites it directly · 14 of its ownK081124 MDF Revision Hip SystemSmith & Nephew, Inc. · 2008 · Recalled
  6. Descendant · 2 generations on · 8 of its ownK113789 Modular Proximally Fluted Hip StemSmith & Nephew, Inc. · 2012 · Recalled
  7. Descendant · 3 generations on · 7 of its ownK151902 REDAPT¿ Revision Femoral SystemSmith & Nephew, Inc. · 2015
  8. Descendant · cites it directly · 6 of its ownK052426 Smith & Nephew Modular HipSmith & Nephew, Inc. · 2005
  9. Descendant · 2 generations on · 5 of its ownK121627 Smith & Nephew Redapt Revision Femoral SystemSmith & Nephew, Inc. · 2012 · Recalled

Showing 5 of 17 descendants. See all descendants

Descendants cleared per year

2005: 22008: 12010: 12012: 32013: 22015: 12017: 12022: 12023: 12024: 22025: 12026: 1
2005high 3 (2012) · low 0 (2006)2026

Most influential descendants

Showing 5 of 17 · See all
  • K081124MDF Revision Hip SystemSmith & Nephew, Inc. · 2008 · cites it directly14descendants
  • K113789Modular Proximally Fluted Hip StemSmith & Nephew, Inc. · 2012 · 2 generations on8descendants
  • K151902REDAPT¿ Revision Femoral SystemSmith & Nephew, Inc. · 2015 · 3 generations on7descendants
  • K052426Smith & Nephew Modular HipSmith & Nephew, Inc. · 2005 · cites it directly6descendants
  • K121627Smith & Nephew Redapt Revision Femoral SystemSmith & Nephew, Inc. · 2012 · 2 generations on5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K935452P.F.C. 2 Total Hip System Porous Coated Modular Femoral ComponentJohnson & Johnson Orthopaedics, Inc.1994—
−2K945518P.F.C. 2 Total Hip System Porous Coated Modular Femoral ComponentJohnson & Johnson Professionals, Inc.1996—
−1K961939S-Rom Femoral Hip Stem (Sizes 12 X 06 X 115 and 12 X 07 X 115)Johnson & Johnson Professionals, Inc.1996—
0 (this device)K042127Smith & Nephew Modular HipSmith & Nephew, Inc.2004—
+1K081124MDF Revision Hip SystemSmith & Nephew, Inc.20082
+2K113789Modular Proximally Fluted Hip StemSmith & Nephew, Inc.20121
+3K151902REDAPT¿ Revision Femoral SystemSmith & Nephew, Inc.2015—
+1K052426Smith & Nephew Modular HipSmith & Nephew, Inc.2005—
+2K121627Smith & Nephew Redapt Revision Femoral SystemSmith & Nephew, Inc.20121

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199110
199220
199410
199610
199710
199910
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200520
200810
201010
201230
201320
201510
201710
202210
202310
202420
202510
202610
FIG. 1 — Lineage of K042127, 1994–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in MEH? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new MEH device

  1. #1 K210581 Actis DuoFix Hip Prosthesis- Collarlessscore 23.9 · 16 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (7)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K921111S-Rom Zirconia Cermamic Femoral Head
Summary page 1
…ndications for use, design features, operational principles, and material composition to the following predicate devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). (…
Joint Medical Products Corp.1992—
*K934412Coated ZT Proximal Sleeve
Summary page 1
…for use, design features, operational principles, and material composition to the following predicate devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). ( ~~~…
Joint Medical Products Corp.1994—
*K954935S-Rom Femoral Hip Stem - Size 14 X 8
Summary page 1
…esign features, operational principles, and material composition to the following predicate devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). ( ~~~DEPARTMENT…
Joint Medical Products Corp.1996—
*K961939S-Rom Femoral Hip Stem (Sizes 12 X 06 X 115 and 12 X 07 X 115)
Summary page 1
…, operational principles, and material composition to the following predicate devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). ( ~~~DEPARTMENT OFBHEALTH &HU…
Johnson & Johnson Professionals, Inc.1996—
*K963509Global Taper Tapered Hip System, GT Spectron
Summary page 1
…o the following predicate devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). ( ~~~DEPARTMENT OFBHEALTH &HUMAN SERVICES…
Smith & Nephew Richards, Inc.1997—
*K991485Synergy Porous Size 8 Hip Stem
Summary page 1
…owing predicate devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). ( ~~~DEPARTMENT OFBHEALTH &HUMAN SERVICES Public Hea…
Smith & Nephew, Inc.1999—
*K002996Synergy HA Coated Porous Femoral Stems
Summary page 1
…e devices - Joint Medical Products S-ROM Total Hip System (K921111, K(934412, K(954935, and K(961939) and the Smith & Nephew Synergy Hip System K1963509, K(991485, and K(002996). ( ~~~DEPARTMENT OFBHEALTH &HUMAN SERVICES Public Health Service…
Smith & Nephew, Inc.2000—

Also cleared against K921111: 4 other devices →

What descends from it? (17)

See all 17

5 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K081124MDF Revision Hip SystemSmith & Nephew, Inc.200814
K052426Smith & Nephew Modular HipSmith & Nephew, Inc.20056
K162303REDAPT Sleeved Monolithic Revision StemsSmith & Nephew, Inc.20174
K052275Smith & Nephew Platform Hip StemSmith & Nephew, Inc.20051
K123598Smith & Nephew, Inc. Hip System InstrumentationSmith & Nephew, Inc.20130

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 10 years and passes through 3 companies; a new generation was cleared every 1.4 years on median.
  • None of the 12 ancestors has a recall.
  • Of its descendants, K081124 (Smith & Nephew, Inc., 2008) has gone furthest, with 14 descendants of its own.
  • 4 other devices also cite its predicate K921111.

How does its category compare?

All MEH devices

MEH Prosthesis, Hip, Semi-Constrained, Uncemented, Metal / Polymer, Non-Porous, Calcium Phosphate: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MEH

5in 2025

2007: 22008: 62009: 62010: 52011: 52012: 62013: 12015: 22016: 62017: 32018: 22019: 12020: 32021: 32022: 32023: 22024: 62025: 52026 (partial year): 1
2007high 6 (2008) · low 0 (2014)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MEH

87in 2025

2008: 79 days median2009: 65 days median2010: 226 days median2011: 95 days median2012: 131 days median2016: 163 days median2017: 209 days median2020: 131 days median2021: 83 days median2022: 150 days median2024: 91 days median2025: 87 days median
2007high 226 (2010) · low 65 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · MEH

1in 2025

2007: 32008: 802009: 512010: 162011: 42012: 32014: 12015: 12016: 42017: 12018: 32020: 12025: 12026 (partial year): 1
2007high 80 (2008) · low 0 (2013)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MEH

470in 2025

2007: 252008: 2612009: 5392010: 4622011: 4192012: 1,6062013: 1,2952014: 1,1962015: 4902016: 3472017: 3832018: 3372019: 3352020: 3382021: 3722022: 3162023: 3342024: 3542025: 470
2007high 1,606 (2012) · low 25 (2007)2025

MAUDE reports naming product code MEH, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—325
200867980261
200966551539
2010522616462
20115954419
2012613131,606
20131—01,295
20140—11,196
20152—1490
201661634347
201732091383
20182—3337
20191—0335
202031311338
20213830372
202231500316
20232—0334
20246910354
20255871470
20261—1—

What is it indicated for?

Total hip components are indicated for uncemented use in individuals undergoing primary and revision surgery where other treatments or devices have failed in rehabilitating hips damaged as a result of trauma, inflammatory joint disease such as rheumatoid arthritis, or noninflammatory degenerative joint disease (NIDJD) or any of its composite diagnoses such as osteoarthritis; avascular necrosis; traumatic arthritis; slipped capital epiphysis; fused hip…

Read the full statement (121 words)

Total hip components are indicated for uncemented use in individuals undergoing primary and revision surgery where other treatments or devices have failed in rehabilitating hips damaged as a result of trauma, inflammatory joint disease such as rheumatoid arthritis, or noninflammatory degenerative joint disease (NIDJD) or any of its composite diagnoses such as osteoarthritis; avascular necrosis; traumatic arthritis; slipped capital epiphysis; fused hip; fracture of the pelvis; diastrophic variant; old, remote osteomyelitis with an extended drainage-free period; nonunion, femoral neck fracture and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques; femoral osteotomy, or Girdlestone resection; fracture dislocation of the hip; and correction of deformity. Smith & Nephew Modular Hip components are for single use only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K042127: Smith & Nephew Modular Hip.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K042127

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026